Home / 7,386.75-11,083.16-5,422.41

Finding the Fourth Proportional to 7,386.75, 11,083.16 and 5,422.41

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Solution

The fourth proportional to 7,386.75, 11,083.16 and 5,422.41 is: 8,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.75 : 11,083.16 = 5,422.41 : x
  2. Step 2: Convert to fraction form
    7,386.75/11,083.16 = 5,422.41/x
  3. Step 3: Cross multiply
    7,386.75x = 11,083.16 × 5,422.41
  4. Step 4: Simplify right side
    7,386.75x = 60,097,451.17
  5. Step 5: Solve for x
    x = 60,097,451.17/7,386.75
  6. Step 6: Final answer
    x = 8,135.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.